Question

How is a balance of oxygen & carbon dioxide maintained in air

Answer 1

by the positive charged particele of oxygen and negative charged particles of carbon dioxide so they get balanced each in air

Answer 2

$\huge \bold{heya}$
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the balance pf O2 & Co2 maintained in atmosphere by the oxygen released by plants during photosynthesis.
& the amount of Carbondioxide by Humans, & Animals...

By this the amount of oxygen & carbondioxide balance each other in atmosphere.

#Hope it will helps u .♡

#Be_Brainly :)